120332021 has 4 divisors (see below), whose sum is σ = 125563872. Its totient is φ = 115100172.

The previous prime is 120331993. The next prime is 120332033. The reversal of 120332021 is 120233021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120332021 - 2⁶ = 120331957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120331987 and 120332005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120332041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2615891 + ... + 2615936.

It is an arithmetic number, because the mean of its divisors is an integer number (31390968).

Almost surely, 2^120332021 is an apocalyptic number.

It is an amenable number.

120332021 is a deficient number, since it is larger than the sum of its proper divisors (5231851).

120332021 is an equidigital number, since it uses as much as digits as its factorization.

120332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231850.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120332021 is about 10969.5952979132. The cubic root of 120332021 is about 493.6969038455.

Adding to 120332021 its reverse (120233021), we get a palindrome (240565042).

The spelling of 120332021 in words is "one hundred twenty million, three hundred thirty-two thousand, twenty-one".